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Finding the Fourth Proportional to 996,008, 1,494,024.96 and 331,160

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Solution

The fourth proportional to 996,008, 1,494,024.96 and 331,160 is: 496,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,008 : 1,494,024.96 = 331,160 : x
  2. Step 2: Convert to fraction form
    996,008/1,494,024.96 = 331,160/x
  3. Step 3: Cross multiply
    996,008x = 1,494,024.96 × 331,160
  4. Step 4: Simplify right side
    996,008x = 494,761,305,753.60
  5. Step 5: Solve for x
    x = 494,761,305,753.60/996,008
  6. Step 6: Final answer
    x = 496,744.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.